Prípona        Informácia
X         Xview Object
X        XBLite Program File
X        Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
X        Alysis SuperDisk Self-extracting Archive
X        Amapi 3D Modeling
X        Direct3D Object (Microsoft)
X        LEX Program File
X        Stardent AVS X Image
X01        Paradox Secondary Index
X02        Paradox Secondary Index
X03        Paradox Secondary Index
X04        Paradox Secondary Index
X05        Paradox Secondary Index
X06        Paradox Secondary Index
X07        Paradox Secondary Index
X08        Paradox Secondary Index
X09        Paradox Secondary Index
X1        X1 Desktop Search Saved Search File (X1 Technologies, Inc.)
X10        X Window Dump Bitmap
X11        X Windows System Window Dump Bitmap
X13        Hooligans
X16        Macromedia Program Extension
X28        Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
X32        Macromedia Program Extension (Macromedia)
X3D        X3D File (Web3D Consortium)
X3D        Xara 3D Project File (Xara)
X3DB        X3D Binary Format File (Web3D Consortium)
X3DBZ        X3D GZipped Binary Format File (Web3D Consortium)
X3DV        X3D Classic VRML File (Web3D Consortium)
X3DVZ        X3D GZipped Classic VRML File (Web3D Consortium)
X3F        Sigma Camera RAW Picture File (Sigma)
X4M        TeamLinks Mail File Data
X5        Rockwell Software Logix 5 File
X64        C64 Emulator Disk Image
X83        GAEB DA2000 XML and XML File (Bundesamt für Bauwesen und Raumordnung)
XA        The Sims Extensive Audio (Electronic Arts (Maxis))
XA        Gear CD Suite File
XA        Extended Architecture File
XA        Playstation Video (Sony Corporation of America)
XA2        Exam Editor Question Groups (Nice Productions)
XAB        Xenis Mail Address Book
XAB        Mail Address Book (Microsoft)
XACT        XactScript File (XactCommerce)
XAD        eXotic AdLib Format
XAML        Windows Presentation Foundation Object Model XML-based Markup Language (Microsoft Corporation)
XAN        XANIA Browser
XAN        xyALGEBRA File
XAP        Xbox Dashboard Script (Microsoft)
XAR        Xara X Vector Drawing (Xara Group Limited)
XAR        Corel Xara Drawing
XAR        eXtensible ARchiver Archive
XAR        Excel AutoRecover File (Microsoft Corporation)
XARC        The Longest Journey Sound File (Funcom)
XAS        Playstation Video (Sony Corporation of America)
XBE        Xbox Executable (Microsoft Corporation)
XBF        Database File
XBF        Emperor Battle for Dune
XBIN        RegSupreme License File (Macecraft Software)
XBK        SMART Board Slide Collection (SMART Technologies Inc.)
XBL        XBLite Program File
XBL        Extensible Binding Language
XBM        X Bitmap Graphic
XBP        XBWML X-Bite.co.uk Markup Language (X-Bite.co.uk)
XBS        ETAK MapBase
XBW        Crossword
XBX        XBox Image File (Microsoft)
XB~        IC File
XC        X Server Constant Screen Image Bitmap
XC2        HPXView DACCS Configuration (Haliplex Communication Systems)
XCD        WarpIN CID (Configuration, Installation, Distribution) File
XCDATAMODEL        Xcode Core Data-based Data Model (Apple Computer, Inc.)
XCF        GIMP Image File (The GIMP Team)
XCK        Extended Crack File
XCL        Xtree for Win Script
XCM        CmapTools Exported Concept Map (IHMC)
XCMD        Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
XCMDS        Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
XCN        HPXView DACCS Configuration (Haliplex Communication Systems)
XCR        Warlords Battlecry
XCS        BuzzLetter Encrypted Stationery Template (StationeryCentral.com, Inc.)
XCT        XVI32 Conversion File (Christian Maas)
XCZ        BuzzLetter Zipped Collection of Encrypted Stationery Templates (StationeryCentral.com, Inc.)
XD        CCS-lib.2 Examples Motif-CC File
XDB        HyperCD HyperLOCK (John Galt Media, Inc.)
XDB        xText Compiled Database (Flambeaux Software)
XDB        Norton AntiVirus Update File (Symantec)
XDD        xfit XDD Format Data File
XDE        Tgif-3.0 File
XDF        Extended Disk Format Image
XDF        Milnta APL Transfer Function
XDF        X68000 Image File
XDF        Workshare Synergy File
XDF        ProWORX Nxt Extended Memory Data (Schneider Electric)
XDIM        Multi-Channel Server (MCS) Markup Editor XDIME Document (Volantis Systems Ltd.)
XDK        XML Development Kit Project (Republicorp Virtual Media)
XDO        OutDo Outline File (Aspevia Systems)
XDP        UNIX File
XDP        Acrobat XML Data Package File (Adobe Systems Incorporated)
XDR        BizTalk XML-Data Reduced Schema (Microsoft Corporation)
XDRUID        XDIME Player Skin (Volantis Systems Ltd.)
XDR_TOR        Insight II Binary Torsion File (Accelrys Software Inc.)
XDS        XDS X-ray Detector Software
XDS        Symantec Store Download Manager Partial Download (Symantec Corporation)
XDS        OpenGL Performer Script
XDSL        D-Link Router UK Firmware Update File (D-Link Systems, Inc.)
XDT        Xscript Data Packet (Codec Games)
XDW        DocuWorks File (Fuji Xerox Co., Ltd.)
XDW        Milnta APL Transfer Function
XEA        Cryptomax Encrypted Archive (Cryptomax.net)
XEB        Apabi eBook
XEC        Afaria (XcelleNet)
XEF        eManager Form Data (X-Genics Ltd.)
XEM        eManager Metering Unit Credits for File Use (XGenics Ltd.)
XEP        eManager File Packing Definition (XGenics Ltd.)
XES        eManager XML UI Definition for Skins (XGenics Ltd.)
XET        eManager XML Definition of eManager Process (XGenics Ltd.)
XEV        eManager XML Autoupdate Definition (X-Genics Ltd)
XEX        KERMIT Control File
XEX        Renamed .EXE File
XEX        Xbox Executable (Microsoft Corporation)
XEX        XeX Web Page Definition
XEZ        eManager Template Package (X-Genics Ltd.)
XFB        LonMark Binary Device Interface File Format (LonMark International)
XFC        Docuprint N17 Printer Firmware (Xerox)
XFD        Acu4GL Extended File Description (Acucorp, Inc.)
XFD        XML Form in XFDL Format
XFD        Atari Disk Image (Atari)
XFDF        Acrobat Forms Document (Adobe)
XFDL        XML Form in XFDL Format
XFI        LaTex Figures File
XFI        xICE Desktop Encrypted File (Network At Home Enterprises)
XFL        xICE Desktop Encrypted Folder (Network At Home Enterprises)
XFM        Audition Transform Effect (Adobe Systems Inc.)
XFM        OmniForm XML Format
XFN        Ventura Printer Font
XFO        LonMark Optimized Device Interface File (LonMark International)
XFR        Xfrog Vegetation File (greenworks organic-software)
XFR        Symantec Anti-Virus Corporate Version Failed Update (Symantec Corporation)
XFR        Ventura Publisher Bitmap Editor Font File
XFS        GunBound (Softnyx)
XFS        eRacer Sound File
XFT        ChiWriter 24 Pin Printer Font
XFT        LiveCycle Designer Form (Adobe)
XFX        Fax File
XG0        Database Index; Paradox Secondary Index
XG1        Database Index; Also XG2, XG3…
XG1        Techno Toys XG-909 MIDI Drum Machine File
XG2        Database Index; Also XG3, XG4…
XG3        Database Index; Also XG4, XG5…
XG4        Database Index; Also XG5, XG6…
XG5        Database Index; Also XG6, XG7…
XG9        Techno Toys XG-909 MIDI Drum Machine File
XGL        MegaBitz Graphics Language File
XGM        Techno Toys XG-909 MIDI Drum Machine File
XGO        LogMate for Windows File
XGO        GeoConcept Add-On (GeoConcept SA)
XGO        Paradox Database-related File
XGP        PicturePlayer Password Protected Files (PicturePlayer)
XGR        Graph Edit XML Graph (Filter Graph Markup Language) (Microsoft Corporation)
XGS        PicturePlayer Scrambled Files (PicturePlayer)
XGZ        MegaBitz Vector Drawing
XHD        HappyFish XML Data File (ThirstyCrow)
XHDML        XML Version of HDML File
XHESSIAN        Insight II Hessian File (Accelrys Software Inc.)
XHT        Extensible HyperText Markup Language File
XHTM        Extensible HyperText Markup Language File
XHTML        Extensible HyperText Markup Language File
XHTML        Libxml HTML File
XI        ScreamTracker Instrument File
XI        Fast Tracker 2 Instrument
XIF        Often a Fax Image (TIFF) File
XIF        eXtended Image File Format
XIF        Xerox Image File
XIF        LonMark Device Interface File (LonMark International)
XIF        Wang Image File
XIF        [Removed by request] [Removed by request] (ScanSoft, Inc.)
XIF        [Removed by request] [Removed by request] (ScanSoft, Inc.)
XIM        X11 Xim Toolkit Bitmap
XIN        OmniMark Include File (Stilo)
XIP        Hotbar Image Compression Format
XIP        HP95 Execute-in-place Program
XIP        Xbox Dashboard (Microsoft)
XIX        IIS NNTP Subject Lists (Microsoft)
XJS        WinExplorer Java Script
XJT        Compressed GIMP Image with Properties of GIMP
XJTGZ        Compressed GIMP Image with Properties of GIMP
XJTZ2        Compressed GIMP Image with Properties of GIMP
XKS        IBM Softcopy Reader PDF Extended Bookshelf File (IBM)
XL        Excel Spreadsheet (Microsoft)
XL        Old Amiga Movie Format
XL        XBLite Program File
XL$        Modem Bitware Fax Disk2 File
XLA        Xlib Archive
XLA        Data Import aka Dimport Translation Table (DATAIR Employee Benefit Systems, Inc.)
XLA        Excel Add-in (Microsoft)
XLAM        Excel Add-In (Microsoft Corporation)
XLAMENX        egis Encrypted XLAM (Excel 2007) File (HiTRUST Inc.)
XLAT        Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
XLB        Excel Worksheet (Microsoft)
XLC        Excel Chart (Microsoft)
XLD        Excel Dialog (Microsoft)
XLE        Cooktop File
XLF        XLIFF Document
XLF        Crystal Xcelsius Visualization (Business Objects SA)
XLG        AutoCAD XREF Log (Autodesk, Inc.)
XLG        Xnetech Engraving Logo File
XLK        Excel Backup (Microsoft)
XLL        Excel Add-in (Microsoft)
XLM        Excel Macro (Microsoft)
XLO        Inventor Export Journal (Autodesk, Inc.)
XLR        Works Spreadsheet or Chart (Microsoft Corporation)
XLS        Works Spreadsheet (Microsoft)
XLS        Excel Worksheet (Microsoft)
XLSB        Excel Binary Workbook (Microsoft Corporation)
XLSBENX        egis Encrypted XLSB (Excel 2007) File (HiTRUST Inc.)
XLSENX        egis Encrypted Excel XLS File (HiTRUST Inc.)
XLSHTML        Excel HTML Document (Microsoft)
XLSM        Excel Macro-Enabled Workbook (Microsoft Corporation)
XLSMENX        egis Encrypted XLSM (Excel 2007) File (HiTRUST Inc.)
XLSMHTML        Excel Archived HTML Document (Microsoft)
XLSX        Excel Microsoft Office Open XML Format Spreadsheet (Microsoft Corporation)
XLSXENX        egis Encrypted XLSX (Excel 2007) File (HiTRUST Inc.)
XLSXENX        egis Encrypted Excel Open XML XLSX File (HiTRUST Inc.)
XLT        Lotus Translation Table (IBM)
XLT        Excel Template (Microsoft)
XLT        Procomm Plus Translation Table
XLTHTML        Excel HTML Template (Microsoft)
XLTM        Excel Macro-Enabled Template (Microsoft Corporation)
XLTMENX        egis Encrypted XLTM (Excel 2007) File (HiTRUST Inc.)
XLTX        Excel Template (Microsoft Corporation)
XLTXENX        egis Encrypted XLTX (Excel 2007) File (HiTRUST Inc.)
XLV        Excel VBA (Microsoft)
XLW        Excel Workspace (Microsoft)
XLX        XoloX Incomplete Download File
XLXML        Excel XML Worksheet (Microsoft)
XM        Fast Tracker 2 Extended Module
XM2        TextMap Ver. 2 Case Format File (LexisNexis)
XMAP        File That Controls How XML/XSL Gets Served
XMAS        Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
XMB        X-Wing Mission Briefing File
XMCD        Xmcd CD Information (freedb.org)
XMD        GameJack Virtual CD or DVD Image (S.A.D. GmbH.)
XMD        OmniMark Source Code (Stilo)
XMF        Milnta APL Transfer Function
XMF        Mobile XMF File Format
XMF        eXtensible Data Model and Format (XDMF)
XMF        Extensible Music File Format (MIDI Manufacturers Association Incorporated)
XMFG        MediaForge Runtime Player Distribution Project (XMLAuthor, Inc.)
XMH        XMap Handheld Street Atlas USA Map and Route File (Delorme)
XMI        XMill Compressed XML (Dan Suciu, AT&T Labs-Research and Hartmut Liefke, University of Pennsylvania)
XMI        XML Metadata Interchange Format
XMI        Winamp Extended MIDI File
XMI        EverQuest File
XML        Extensible Markup Language File
XMLBACKUP        EnABLE Backup File (Energy Scitech Ltd.)
XMO        Authorware Movie Driver (Adobe Systems Incorporated)
XMP        Adobe Extensible Metadata Platform (Adobe)
XMP        Spice Pspice Library File
XMP        Graphic File
XMP        XMap Project Data (Delorme)
XMPCF        TextMap Portable Case Format (LexisNexis)
XMPSES        Premiere Elements DVD Marker File (Adobe Systems Incorporated)
XMPTF        TextMap Portable Transcript Format (LexisNexis)
XMS        AutoCAD External Message (Autodesk, Inc.)
XMS        ViewCafT XML Markup Session
XMS        XMS-Tracker
XMT_TXT        Parasolid CAD File
XMV        Milnta APL Transfer Function
XMX        Character Set File
XMX        AutoCAD External Message Compiled File (Autodesk, Inc.)
XMZ        MegaView XGL Movie
XMZ        Fasttracker 2/Extended Module
XNB        XNA Game Studio Express XNA Framework Content Pipeline Binary File (Microsoft Corporation)
XNF        Standard Network File Form
XNG        FishXing Culvert Data File (Stream Systems Technology Center, USDA Forest Service)
XNG        OM2 911 Xchange Version 6 Document
XNK        Exchange Shortcut (Microsoft)
XNML        NML Language Language Extension (NevoSoft)
XNT        Spice Pspice Library File
XNT        W32/Sober-AD
XOF        RenderMorphics
XOI        eZediaMX and eZedia Player Locked Presentation Document
XOM        OmniMark Source Code (Stilo)
XOS        Xaos Tools Bitmap Image
XOT        Xnetech Job Output File
XP        System Utility File
XP3        TVP (Kirikiri) XPK3 Virtual File System (kikyou.info)
XPA        SoniqSync Extended Playlist (SoniqCast, LLC)
XPA        Xpandata DB Transfer Encrypted Compressed File
XPB        XPB! Basic Source Code (Tony D. Jones)
XPC        ActionReplay Saved Code (Datel Design and Development Ltd.)
XPD        Playstation Download Instruction File (Sony Computer Entertainment America Inc.)
XPF        X-Protector Project (The Xprotector Team)
XPF        XaoS Position File (Jan Hubicka, Thomas Marsh, Zoltan Kovacs and Others)
XPI        Mozilla/Firefox Browser Extension Archive (Mozilla)
XPIX        Nonogram Puzzle
XPJ        X-Pert for Windows File (Decisive Tools (USA) Pty Ltd)
XPK        Xscript Package (Codec Games)
XPK        Spice Pspice Library File
XPK        XPK Player Compressed Audio (Data Becker)
XPL        Music File
XPL        Xset Plug-ins File
XPL        X-Plane Plug-In (The House of X-Plane)
XPL        WinExplorer Simple Script
XPM        X Pixmap Graphic
XPM        BMC Software Patrol UNIX Icon File
XPM        DESQview Macro (Symantec)
XPO        Omega Research ProSuite
XPO        Expo Product Tours Project (InstallShield Software Corporation)
XPO        X-port Version 1
XPP        xCOMPOSER.pro Multimedia Data File
XPR        XBMCTex/Xbox Media Center Graphic File (XboxMediaCenter Project)
XPR        exPresset CD Label (Pressit)
XPR        Expression 3 Graphic File (Creature House Ltd.)
XPS        XML Paper Specification
XPS        X-port Version 2
XPT        eXact Packager Models (Giunti Interactive Labs S.r.l. (a company of Giunti Publising Group))
XPT        Dungeons & Dragons Core Rules 2 (Wizards of the Coast, Inc.)
XPT        XPCOM Type Library
XPTHEME        Winstyles Theme (Stardock Corporation, Inc.)
XPTOC        XDIME Player Table of Contents (Volantis Systems Ltd.)
XPW        Leading Market Technologies EXPO
XPW        Accessible FormNet Fillable Form (Intercon Associates Inc.)
XPX        Dungeons & Dragons Core Rules 2 with Expansion (Wizards of the Coast, Inc.)
XPX        XML Format File
XPX        RAFTS-XP Macro File (XP Software Inc.)
XPY        xpy Settings File (Jan T. Sott)
XPY        MarketBrowser
XQL        XML Query Language (XQL) (World Wide Web Consortium)
XQT        SuperCalc Macro Sheet
XQT        Waffle Executable File
XR        Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
XR        Chaos Desktop External Reference File (Chaos systems AB)
XR1        Epic MegaGames Xargon File
XRC        wxWidgets wxPython Resource File
XREF        AIX Cross Reference File
XREF        Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
XRF        Crossreference File
XRF        Cross Reference
XRG        Xscript Game Registry (Codec Games)
XRL        OSCAR Rules File
XRL        PowerDesigner Report (Sybase, Inc.)
XRL        XML Résumé Library Résumé
XRP        Experior Practice Management Report (Experior Corporation)
XRS        Realplayer Plug-in External Resources File (Real)
XRT        Revolution EDX Spectrum Export File in Xraytor Format (4pi Analysis, Inc.)
XRW        Architag XRay XML Editor
XS        Hummingbird Exceed File
XS        Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
XS3        XESS Worksheet (Applied Information Systems, Inc.)
XS4        XESS Worksheet (Applied Information Systems, Inc.)
XS5        XESS Worksheet (Applied Information Systems, Inc.)
XS8        SIMUL8
XSA        XSA Raw Disk Image (XelaSoft)
XSB        Sokoban++ Level File
XSC        Transcribe! Transcription Document (Seventh String Software)
XSC        XML Schema
XSC        XVI32 Script File (Christian Maas)
XSC        Xscript Script (Codec Games)
XSD        XML Schema
XSEND        Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
XSF        Milnta APL Transfer Function
XSI        Softimage XSI 3D Model (Avid Technology, Inc.)
XSL        XML Stylesheet
XSL        Steuer2001 File
XSL        FileMaker Database Design Report Template
XSLT        XSL Transform File
XSM        LEXIS-NEXIS Tracker
XSN        xyALGEBRA File
XSN        InfoPath Dynamic Form/Template (Microsoft Corporation)
XSO        Expresso Project File (Ultrapico)
XSP        Cross Stitch Professional Design File (DP Software)
XSPF        XML Shareable Playlist Format (Xiph.Org)
XSQL        Oracle XSQL Servlet XSQL Template File (Oracle Corporation)
XSS        Ability Office Spreadsheet (Ability Software)
XSS        Cross Stitch Professional Design File (DP Software)
XST        Easy Cross Cross Stitch Design (DOS Version) (Fulford Software Solutions)
XST        X-Tract XML Script (DecisionSoft Limited)
XSTEP        XStep DWI Maker File
XSU        Fortran Libf77 File
XSUM        Clapack File
XSW        Milnta APL Transfer Function
XT        FastTracker Music Track
XT*        Crosstalk Related File
XTB        LocoScript External Translation Table (LocoScript Software)
XTD        XML Type Definition
XTEL        Xtelplot File Format
XTG        QuarkXPress Tags File (Quark, Inc.)
XTM        CmapTools Exported Topic Map (IHMC)
XTML        XML4web Virtual HTML File (Altair Communications Corporation)
XTODVD        ConvertXtoDVD Project File (VSO-Software)
XTP        XTreeGold Overlay
XTP        XTree Data File
XTR        RealArcade Compressed Data File
XTS        Babya Desktop Shell System Software Extension
XTS        CSPro File
XTX        xText Source File (Flambeaux Software)
XUF        Milnta APL Transfer Function
XUL        XML User Interface Language (Mozilla)
XUW        Milnta APL Transfer Function
XV        Khoros Visualization Image File
XVB        WinExplorer VB Script
XVC        Verge Compiled Game Code (VERGE Co Ltd)
XVG        GROMACS Output File
XVID        XviD CODEC
XVM        VMware Virtual Machine Console (VMware, Inc.)
XVO        ratDVD Internal File (RatDVD – Canada)
XVP        Xview Package File
XVS        Xview Scene Package File
XVU        BOClean Database File
XWB        Xbox Wavebank Audio Data (Microsoft Corporation)
XWC        Crosstalk for Windows Compiled Script
XWD        Crossdown Puzzle File
XWD        X Windows Dump
XWF        Yamaha XG Works File (Yamaha Corporation of America)
XWF        Yamaha XG Works File (Yamaha Corporation of America)
XWI        X-Wing Mission File
XWK        Crosstalk Keyboard Mapping
XWP        Crosstalk Session
XWP        Crosstalk for Windows Phone book
XWP        XMLwriter XML Editor Project File (Wattle Software)
XWP        Xerox Writer Text File
XWS        Crosstalk for Windows Script
XWS        Xara Webstyle File (Xara)
XWV        Reason Malström Synth Instrument Patch (Propellerhead Software)
XWZ        Xset Wizards File
XWZ_1        Xteq X-Setup File
XX        Arcedit Temporary File
XX        Xxencoded File
XXA        Brixx Planner Account Detail Chart (Brixx Solutions Ltd.)
XXD        Brixx Planner Calendar File (Brixx Solutions Ltd.)
XXE        Xxencoded File
XXG        Brixx Planner Graph (Brixx Solutions Ltd.)
XXI        GameSpy Arcade
XXL        Archive
XXP        Brixx Planner Plan File (Brixx Solutions Ltd.)
XXR        Brixx Planner Report File (Brixx Solutions Ltd.)
XXT        Extension DLL
XXX        Paint Shop Photo Album Panorama (Corel Corporation)
XXX        Compucon/Singer PSW Embroidery Design File
XXX        Controlware VJ400 Digital CCTV Recording
XXXX        Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
XXXXXX        allTunes Partial Download (Mediaservices, Inc.)
XXY        SPARC Executable Script File
XY        Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
XY        XYWrite Text File
XY3        XYWrite Text File
XY4        XYWrite IV Document
XY4V        XYWrite IV document
XYP        XYWrite III Plus Document
XYW        XYWrite Windows 4.0 Document
XYZ        Graph Coordinates
XYZ        Förderdiagnose Data File (Bettinger Software)
XYZ        XMol XYZ
XYZ        MDL Molfile Co-ordinate Animation Format (MDL Information Systems, Inc.)
XYZ        RPG Maker Graphic Format (Enterbrain, Inc.)
XYZ        XYZZLY Plug-In for RealPlayer
XYZI        3rdTech Scanner File
XYZRGB        XYZ RGB Graphic (XYZ RGB Inc.)
X_B        Parasolid CAD File
X_T        Parasolid CAD File (UGS Corp.)